"(about the Neo-Vipers) They feel no fear. Cortical nerve clusters show complete inactivity. They feel no pain. Concepts of morality are disengaged. They feel no regrets, no remorse. The nanomites join together as a fighting mechanism, first blocking, then expelling the cobra's venom"
January 1, 1970
https://en.wikiquote.org/wiki/G.I._Joe%3A_The_Rise_of_Cobra